Home / 21,708.54-32,571.45-9,231.30

Finding the Fourth Proportional to 21,708.54, 32,571.45 and 9,231.30

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Solution

The fourth proportional to 21,708.54, 32,571.45 and 9,231.30 is: 13,850.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708.54 : 32,571.45 = 9,231.30 : x
  2. Step 2: Convert to fraction form
    21,708.54/32,571.45 = 9,231.30/x
  3. Step 3: Cross multiply
    21,708.54x = 32,571.45 × 9,231.30
  4. Step 4: Simplify right side
    21,708.54x = 300,676,826.39
  5. Step 5: Solve for x
    x = 300,676,826.39/21,708.54
  6. Step 6: Final answer
    x = 13,850.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.